in gaseous matrix Irradiation (UV/VIS); laser oblated B atoms and H2 in excess neon during condensation at 3.5 K(laser oblatation using 10-40 mJ of 1064 nm laser energy per 10 ns puls e); annealed; irradiated (mercury ars lamp); not isolated; monitored by IR;

sodium azide; Nitrous oxide in water Kinetics; other Radiation; N2O satd. soln. of NaN3 and NaBH4 at pH 11.1 (molar ratio 200:3), pulse radiolysis;

in not given other Radiation; radiolysis ((60)Co γ-rays, 77 K); not isolated, detd. by ESR spectroscopy;